Set Datagridviewcombobox Value Based On Valuemember?
Aug 24, 2011
box withing a modal form. The combobox shows a list of ingredients where the displaymember is the IngredientName and the valuemember is the IngredientID, and a user would select an ingredient in the combobox and the returning value would be the ID for that ingredient. My issue is that within this same datagridview, i'd like to prepopulate it with items already existing in the database. However i'd like to set the display value in the combobox using the id value from the database. So if "Pasta" was the ingredient name and 101 was the ID, i'd set the value as 101 and it display Pasta in the combobox.
Here's what i have so far:
For Each row As ListViewItem In listIngView.Items
Dim i As Integer = dgvIngEdit.Rows.Add()
[code].....
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Sep 1, 2011
I have DataGridViewCombobox column in my winform. i have bound that comboboxcolumn from database by setting its DataSource, DisplayMember and ValueMember property.
i want to set DisplayMember based on ValueMember. just like we do in normal combobox like
Combobox.SelectedValue = "12"
I tried following
gridAttendance.Rows[0].cells[2].value = dsAttendance.Tables[0].Rows[0]["Id"].ToString();
but it doesn't work...
"It throws an error saying datagridviewcomboboxcell value is not value"
i also tried handling DataError event of GridView, but still it doesn't work
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Jan 25, 2010
I am using a bound combobox control in a vb.net application. How do I set the combo box to an item if I know the value of the ValueMember, but I don't know the DisplayMember. I can use the FindExactString method if I know the DisplayMember, but not if I only know the ValueMember.In explanation, the value member is an employee Number, the display member is the Name. I get the employee number from a detail item in another table and now I want to set the combobox to display the Name that goes with that detail item.
Can someone post some vb code to show how to do this.
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Jun 11, 2009
Is there any way to get the ComboBox SelectedIndex based on SelectedValue when Datasource property is set with DisplayMember and ValueMember?
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Jul 25, 2010
The code below works as it is now. It creates a datagridview with a combobox on it. The combobox updates a common field called personid.
My problem is I need to add a new column to the left of the combobox. If I just add this field to the sql (right after "SELECT") for the dgv it doesn't work. It does work if I put it after the combo but I need to have this column to the left of the combo.
How do I go about doing this? The dgv is created entirely in code and this cannot be changed.
[code...]
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Jun 18, 2012
I'm posting a new thread to ask the following. I've added into a datagridview control a column that has DatagridViewCombobox style, in order to display specific values. Here is the code.[code]...
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May 2, 2012
I have a datagridview with datagridviewcomboboxcolumn bind to a nullableinteger datatable field
[Code]...
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May 16, 2012
I have a DataGridView that has a column defined as a ComboBox. When I select a value from this ComboBox, I'm not sure which Event I need to check. Ultimately, I need to read a DB Table to retrieve data based on the value selected from the ComboBox.
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Mar 23, 2011
I have added a DataGridViewComboBox to my DataGridView during design time. It has 0 items in it and I need to add a bunch of items to it during runtime.
In most controls, they have some kind of direct method like ".Items.Add("etc")", but for the life of me, I can't figure out how to access the DataGridViewColumn programmatically.
I can create a new ComboBox during runtime and add it to the DataGridView, but that's not what I need to do.
I played around with IntelliSense, I've searched on Google and I've looked through the documentation. The only thing I could find on MSDN was DataGridViewControlCollection, but I didn't see anything that would allow me to directly access that control.
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Nov 8, 2011
I have a DataGridViewComboBox in a dgv and I need to detect when the user changes the value....I thought I could use the CellContentClick; however, it doesn't fire when I select from the dropdown in my dgv so thinking I need a different method to choose from.
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Dec 8, 2009
Does anyone know how to trap f.i. the SelectedIndexChanged event in order to read the SelectedValue from the ComboBoxColumn?
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Jan 13, 2011
I have an issue with VS 2008 datagridview combobox control.
The combo box in question closes immediately after the CellValidation method that I wrote invalidates the input in the combo box cell. What I mean by closes immediately is that when the drop down arrow is left-clicked, once I remove my finger from the left clicking of the mouse instead of staying down so that the user can see the selection options the combo box just closes.
I'm currently using EditOnEnter as my EditMode style. (I've tried switching between the different option the same behavior exists). The datagridview is bound to a dataset which was created from my database in MS Sql Server 2005.
This problem exists on two different forms and occurs exactly the same way. I don't know what other settings to mention to help in the troubleshooting of this error, but please feel free to ask me any questions so that I may resolve this issue. By the way both forms use datagridviews tied to the same dataset, just different tables and table adapters.
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Jan 20, 2012
There is a multicolumn in datagridviewcombobox? what is code?
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Nov 18, 2009
I am adding a DataGridViewComboBox Column to a DataGridView. The column is added But when I click onto the dropdown arrow, nothing show up in the cell.
Dim lstCol As New DataGridViewComboBoxColumn
lstCol.HeaderText = "Type"
lstCol.DisplayIndex = 0
[code]....
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Jun 8, 2012
I migrated a project from VB 2005 to VB 2010. I have a datagridview binded to a dataset populated by the MySql Connector. One of the columns, with integer values, is displayed in a datagridviewcombobox type column. In VB 2005 it worked perfectly. But now, once migrated to VB 2010, the column doesn´t show anything. If I change the type a a textboxcolumn type, it does show the data. The column in the dataset is Integer, and the column in the datagridview is Integer also. But, strangely, although the value of the cell (when debugging) is Integer 1, the formatted value is String "" (empty). If I add integer items to the combo manually, the formatted value is the first added item, but still string, and not equal to the value property. It is the same whether the column is designed and added programatically or visually with the editor of the datagridview. It seems a bug in the combobox type.
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Dec 23, 2010
I wanted to visualize to the user the diffrence if they opted for certain values. In mycase certain choises would show phonenumbers on intranet.To show how I wil leave the control names default. To recreate the the project. Start a windows form application, place a datagridview, and 2 bindingsources on the form To start we need some data to show and a list to choose from.To make a simple example I chosen to make a person class containing an Id, Name and Position.Id If the Position is a staff position it should be blue others should remain the default style.But lets start with the colorScheme Interface so we can store the colorscheme we want to show for a certain positionitem in the datagrdview It wil need back and forecolors but also colors for teh item whilst selected. To show the Displaymember we want to see I've also added the toString property that should shadow the toString of the object.[code]
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Oct 22, 2010
The form opens a simple form to accept a password if a name is selected from a dropdown. The form is opened modally from the validating event. If I select an item, fill in the password, close the modal form , it will not let the parent form close depending on how I exit the dropdown. When I look at the closing event cancel is set to true implying that the control still thinks it needs vaidating.
It works if i leave the dropdown cell in focus when I hit close.
If I click (even just once so the dropdown still is highlighted but just closed) on another cell in the grid the form will not close. It corrects itself if I repeats the first method.
Even worse if I press enter twice it crashes without going through any of my code when the grid tries to do its own commit edit on the editableControl but seems to have a wrong reference as it tries to use the DataGridViewComboBox as the editablecontrol and gets a cannot cast exception
Updated as I have found the cause.
The pop up password form is a home brewed modal form by disabling all open forms but leaves some menu items active.(mdi is used). It is the disable form that causes the issue. Without that it always works. So it seems the grid cant handle being disabled while changing cells.
A solution that works is to use ShowDialog but that changes the systems behaviour so I may not be allowed to do that.
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Apr 6, 2009
i m using visual basic 2008 and in winform lstCity is the listbox which handle the city names as Displaymember and id as value member, now when i select any city from the lstcity by keypress(enter) i m getting the maximum valuemember everytime so is there any way to retrieve the valuemember of selectedindex.
[Code]....
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May 4, 2012
I would like to display the phone numbers from my table "Subscribers" with the same value (as string) associated with it. For instance, I would like to display these numbers:
+12345678
+87654321
Here is my code:
Dim conStr As String = ConfigurationManager.ConnectionStrings("dbConnectionString").ConnectionString
Dim adapter As New SqlDataAdapter("Select * from tblSubscribers", conStr)
Dim dataset As DataSet = New DataSet
[code]....
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Jan 19, 2010
I am trying to get the valuemember of my combobox but it just won't work. I have tried a lot of things (won't post them all here) can somebody just show me how to do this?
Private Sub cmbGroup_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmbGroup.SelectedIndexChanged ' Get valuemember here End Sub
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Apr 11, 2010
I have a combobox and am binding it to a table like this...
vb
AccountsAdapter.Fill(AccountsTable)
AccountsComboBox.DataSource = AccountsTable
[code].....
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Jun 24, 2010
using vb.net 2010 and WPF
I've got an Access 2007 table with names of people and the unique ID # of their sponsoring agencies. There is a second table in the accdb with the sponsoring agencies and their unique ID #. How do I display the actual agency name, and not the ID #, in a combobox?
What I want to see is this:
John Doe ABC Corporation (John Doe in textbox, ABC in combo)
The results I'm getting is this however:
John Doe 10
I'm using the code below to display the agency and name. I know this is not the right code but don't know what other code to use.
DirectCast(e.DataRepeaterItem.Controls("cboSponsoringAgency"),
ComboBox).Text
= currItem("SponsoringAgencyID").ToString
[Code]....
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May 16, 2012
I have 2 tables in a Access 2010 database. tblA that stores speciesID and weight and tblB has SpeciesID and SpeciesName.Now I want a Combobox that shows SpeciesName and a textbox that shows weight.A have one query that select everyting from tblB, qryB.I have created a form frmA:
in this I have
Combobox1
txt1[code]......
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Dec 15, 2011
I can use this code to set the DisplayMember, but the ValueMemeber is always the name of the field and not the field values. I can even reverse and put the ID in the DisplayMember and it works. Not sure what I'm missing here.
strSQL =
"SELECT LGGrpMainID, LGGrpMainName FROM LGGroupMain "
Public
[Code].....
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Oct 4, 2011
1. I have a DataGridView control that displays data using the BindingSource control.
2. Inside the DataGridView I have a DataGridViewComboBoxColumn control that displays a different set of relational data using the BindingSource control. The DisplayMember property is set to "Expense" and the ValueMember property is set to "ExpenseID".
3. The DataSource for both BindingSource controls is a DataSet of type .xsd
I need to get the values of four cells in the current row during the RowLeave event and I am able to grab three of the four values using:
Dim month As Integer = DataGridView1.CurrentRow.Cells(3).Value
Dim amountID As Integer = DataGridView1.CurrentRow.Cells(2).Value
Dim amount As Decimal = DataGridView1.CurrentRow.Cells(1).Value
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May 17, 2010
What I'm just trying to do is the following:I need to fill a combobox from a dataset, but I have to translate the entries before displaying them. That's why I assume I have to use a loop to add the Items.
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Jun 10, 2009
i have a form contains DataGridView and one of its components is a ComboBox, the problem is i wanna save the ValueMember instead of the DisplayMember in the database.
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Mar 14, 2009
I have a database that is connected with my form. There is a combobox on top of the form and with that I can select the category I want.
Now when I search or I do something else it selects records that aren't from the category I selected, so this category should change when I do such things. Nothing happens when I do something. It should select the right category that belong to the record that is selected now.
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Mar 14, 2009
I have a database that is connected with my form. There is a combobox on top of the form and with that I can select the category I want. Now when I search or I do something else it selects records that aren't from the category I selected, so this category should change when I do such things. Nothing happens when I do something. It should select the right category that belong to the record that is selected now.
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Apr 12, 2009
My question: i have a combobox which i would like to populate with data from a database. The table looks like this: pkIntCompany (the pk) & chrCompanyName You see nothing special.
I would like all the records in a combobox. When a user selects one of the value, i would like to show the pk and the combobox in a textbox (seperate). Is there someone who has some example code?
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